CVE-2021-27017: Deserialization of untrusted data
First published: Fri Feb 07 2025(Updated: )
Utilization of a module presented a security risk by allowing the deserialization of untrusted/user supplied data. This is resolved in the Puppet Agent 7.4.0 release.
Credit: security@puppet.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Puppet | <7.4.0 |
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Frequently Asked Questions
What is the severity of CVE-2021-27017?
CVE-2021-27017 has been categorized as a medium severity vulnerability.
How do I fix CVE-2021-27017?
To fix CVE-2021-27017, upgrade to Puppet Agent version 7.4.0 or later.
What impact does CVE-2021-27017 have on Puppet Agent?
CVE-2021-27017 allows the deserialization of untrusted data, which can lead to security risks.
Which versions of Puppet Agent are affected by CVE-2021-27017?
Puppet Agent versions prior to 7.4.0 are affected by CVE-2021-27017.
Is CVE-2021-27017 exploitable?
Yes, CVE-2021-27017 is exploitable if untrusted data is deserialized in the Puppet Agent.
- collector/mitre-cve
- source/MITRE
- agent/references
- agent/title
- agent/first-publish-date
- agent/type
- agent/description
- agent/guess-ai
- agent/software-canonical-lookup
- agent/softwarecombine
- collector/nvd-api
- source/NVD
- agent/weakness
- agent/source
- agent/severity
- agent/last-modified-date
- agent/author
- agent/tags
- agent/event
- vendor/puppet
- canonical/puppet